@import url("https://fonts.googleapis.com/css?family=Noto+Sans");
* {
  font-family: "Noto Sans", sans-serif;
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
}

body {
  background: linear-gradient(160deg, #02ccba 0%, #aa7ecd 100%);
}

.decoration {
  font-size: 20em;
  color: white;
  position: absolute;
  z-index: -1;
  opacity: 0.3;
  margin: 0;
  line-height: 1em;
  top: -20px;
  letter-spacing: 0.15em;
}

.panels {
  display: flex;
  width: 950px;
}
.panels .panel {
  flex: 1;
  padding: 30px;
  border-radius: 20px;
  background-color: #fff;
}
.panels .panel.right {
  flex: 1;
  background-color: #69CDDA;
}
.panels .panel h1, .panels .panel h3 {
  margin: 0;
  text-align: center;
}
.panels .panel h1 {
  margin-bottom: 20px;
}
.panels .panel textarea {
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
  font-size: 1.5em;
  outline: none;
  text-transform: uppercase;
}
.panels .panel textarea:focus {
  background-color: #eee;
}
.panels .panel .symbol {
  width: 100%;
  text-align: center;
  background-color: #69CDDA;
  color: white;
  font-size: 1.5em;
  margin-top: -5px;
}
.panels .panel hr {
  border: 0;
  border-bottom: 2px solid #000;
}
.panels .panel .buttons {
  display: flex;
  justify-content: center;
}
.panels .panel .buttons button {
  margin: 10px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 1em;
  cursor: pointer;
  color: white;
  outline: none;
  background-color: #F590B3;
}
.panels .panel .codelist {
  display: flex;
  flex-direction: column;
  height: 500px;
  flex-wrap: wrap;
  font-size: 1.2em;
  list-style: none;
}
.panels .panel .codelist li {
  background-color: rgba(255, 255, 255, 0.2);
  margin: 10px;
  border-radius: 10px;
  padding: 0 10px;
}

.playList {
  text-align: center;
  font-size: 1.2em;
}
.playList .playing {
  color: #F590B3;
}
